/*
 * Copyright (c) 2007-2012, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
// ResolvingXMLReader.java - An XMLReader that performs catalog resolution

/*
 * Copyright 2001-2004 The Apache Software Foundation or its licensors,
 * as applicable.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.sun.org.apache.xml.internal.resolver.tools;

import org.xml.sax.*;

import javax.xml.parsers.*;

import com.sun.org.apache.xerces.internal.jaxp.SAXParserFactoryImpl;
import com.sun.org.apache.xml.internal.resolver.*;

/**
 * A SAX XMLReader that performs catalog-based entity resolution.
 *
 * <p>This class implements a SAX XMLReader that performs entity resolution
 * using the CatalogResolver. The actual, underlying parser is obtained
 * from a SAXParserFactory.</p>
 * </p>
 *
 * @see CatalogResolver
 * @see org.xml.sax.XMLReader
 *
 * @author Norman Walsh
 * <a href="mailto:Norman.Walsh@Sun.COM">Norman.Walsh@Sun.COM</a>
 *
 * @version 1.0
 */
public class ResolvingXMLReader extends ResolvingXMLFilter {
    /** Make the parser Namespace aware? */
    public static boolean namespaceAware = true;

    /** Make the parser validating? */
    public static boolean validating = false;

    /**
     * Construct a new reader from the JAXP factory.
     *
     * <p>In order to do its job, a ResolvingXMLReader must in fact be
     * a filter. So the only difference between this code and the filter
     * code is that the constructor builds a new reader.</p>
     */
    public ResolvingXMLReader() {
        super();
        SAXParserFactory spf = catalogManager.useServicesMechanism() ? SAXParserFactory.newInstance() : new SAXParserFactoryImpl();
        spf.setNamespaceAware(namespaceAware);
        spf.setValidating(validating);
        try {
            SAXParser parser = spf.newSAXParser();
            setParent(parser.getXMLReader());
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }

    /**
     * Construct a new reader from the JAXP factory.
     *
     * <p>In order to do its job, a ResolvingXMLReader must in fact be
     * a filter. So the only difference between this code and the filter
     * code is that the constructor builds a new reader.</p>
     */
    public ResolvingXMLReader(CatalogManager manager) {
        super(manager);
        SAXParserFactory spf = catalogManager.useServicesMechanism() ? SAXParserFactory.newInstance() : new SAXParserFactoryImpl();
        spf.setNamespaceAware(namespaceAware);
        spf.setValidating(validating);
        try {
            SAXParser parser = spf.newSAXParser();
            setParent(parser.getXMLReader());
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
}
